Valve-gear for explosive-engines.



No. 823,347. PATBNTED JUNE 12, 1906. A, 0. mmzs. VALVE GEAR FORBXPLOSIVE ENGINES.

Arrmumm'x YILBD DEC. 2a. 1904 3 QHEBTS-SKEET 1f WITNESSES: I INVENTOR .4TTORNEY N 333,347 PATENTED JUNE 12, 1906. A. G. MBNGES.

VALVE GEAR FOR BXPLOSIVE ENGINES. APPLIGATZOH FILED mm 23 1904 3SHEET8-BHBET 2.

WITNESSES. "IVE/V70 may? 3. C w u/L 6114144 ATTORNEY UNITED sTATEs;

PATENT ,OFFIOE.

ALBERT U. MENGES, OF GRAND .RAPlDS. MICHIGAN. ASSlGNOR TO WILLIAMHARRISON, OF GRAND RAPIDS, MiCHIGAN.

VALVE-GEAR FOR EXPLOSlVE-ENGINES.

Specification of Letters Patent.

Patented June 12, 4906.

Application filed December 23, 1904. Berial No. 2383*).

To all/i whmn it may concern:

Be it known that I, ALBERT C. Mmvons, a citizen of the United States,residing at Grand Rapids. in the county of Kent and State of Michigan.have invented new end useful Improvemcnts in Volvo-Gear forEXpl0siVo-Engines, of which the following Is a SPBCliiCib tion.

This invention relates to valveear for we losivc-engincs; and its objectis to provide i or operating the exhaust-valves of on explosive-engineso as to prevent nmse or pounding, so as to give a slow or rapid motionto the engine, so as to reverse the engine when desired, and so as tocontrol the extent to which the exhaust-valves are opened, as well esotherwise efliciently and simply to operate these valves. This object Iaccomplish by means of the construction shown in the ac compenyingdrawings, in which- Figure 1 shows a sectional view of on expiosive-engine constructed in accordance with my invention, said viewbeing taken on line a: m of Fig. 2. line 2 z of Fig. 1. Fig. 3 is aninside view of the cam-disk 33. Fig. 4 is a sectional View of thecam-disk and earns. Fig. 5 is on inside View of the com-disk 28. Fig. 6is a side elevetion, on a somewhat enlarged scale, of the cam-disks 28and 33 end the connections for operating the same, together with theforked rocking arm which throws the cxlinust-vulve. Fig. 7 is a View,partially in section, of the cam which moves the cam-shaft lengtl'iwise.

In the drawings 1 have shown two cylinders designed to actuate oneshaft, and this construction duplicates ports of my invention; butevidently the invention may be used in connection with other forms ofcngines and is not limited to the particular type shown in the drmvings.

In the drawings the some parts are in many cases duplicate and indicatedby similar refcrcncemumemls; but I will describe only one complete setof ports.

1 is n. cylinder; 2, the base; 3, the piston; 4, the connccting-r0dg 5,the crank-pin; (5,

the crank-shaft; 7, the valve-chest, and 8 the exhaust-valve.

9 is the cdmissiomvulve; 10, the admissionvelve spring, end-11 the stemof this valve.

12 is the plate guiding the valve-stem and forming a seat for the valve9.

Fig. 2 iso sectional view on jacket.

'21 is a guide for the lower end of the valvestem 17, and 22 is oninclosing cap attached to'the' hose and covering the vaivc-ectustingmechanism.

2? represents the open space in the valve chest As the basis of my valveactuating and controlling mechanism I rovide the camshaft 32. Thisis-operete bythe attached gear 35, which gear is operated in en Y suitchic manner from the in sin shaft, pro erably by an. interxneshing ear.Thus a revolving motion is given to t 1e cam-shaft 32, and it will makeone complete revolution with each revolution of the main shaft. Uponthis cam-shaft I mount two com-disks, one of which is intended to beattached to the cornshaft and to-revolve with it, end the other of whichis intended to be mounted loosely it ith reference to the cam-shaft, notto revolve with it, but to have a sliding longitudinal motion withrelation to the cam-shaft. For con-- vcnience I designate this attachedcam-disk as the primary disk and each cam carried therehy as a primarycam, and I designete the 1ongitndinally-movable disk as the secondarycorn-disk and each coin carried thereby as a secondary cam.Thismountinp; of the cams upon the opposing feces ofv the two disks Iconsider the preferable method; but they might be otherwise mounted, soas to produce the same result. The method of construction and mountingthese disks is particularly shown by Fi s. 4 and 6. The primary disk 33has formeg integrally therewith a hub which in the form shown in Fi 4extends in both directions from the dis The outer or right-hand hub isrigidiy attached to the cam-shaft 32 by the pm or key 68 entering thehole in the earn-shaft. At a. suitable distance to the inner side or tothe left I also attach rigidly-to the cam-shaft e coilei' 34, making theattachment by means 7 sleeve, I mount the connection ismudehy t of theinor key 59'ond thehole 59. lhiscol lax wilYth si-eyolve with the shaftand is not movahle lerlgitudiuelly with reference thereto. llnside ofand gift 2;; this cells nouilt loose'u ont es t t 2-"s integritlltherewith it hifb siev e extends outwardly or to the rightes fsr it'smay be necessary properly to sdp'port the other arts and m theformehownm Fig.4. exten s for em 11 to resch the inner POItIOII' of thehub on lfiie diiak 33A Thjegearf23 therefore will o't revolve with theown-shaft, -ondiothe formehpvm would not have uni longitudinal motionthereon although soc motion may i be deslrable, anti, the relatufethickness of the gearsshowom R g. fil will, permit such motion, ifdesirable. Ou 8 0f the hub of gear 23 which hub thus acts as a secondarygem-disk 28. This cam-disk also has a hub loose-1y surround.- ing thehub or sleeve of the gear .23 and init I provide longitudinal, slots,(indicated by 62.) Through these slots linsert the-pinsfiii into thecarrying-sleeve and. to avoxdfrifi: tion provide these pins 58 with thetollersfi'i. The object of this construetionris to .cgwse the disk 28 torevolve with the ear 23 enditobe controlled in its revolution yiauchgeimand at. the some time to permit the disk 281M) move lor gitudinell5of the shift 32.. -The oonstroction which-is shown for this purp sp isefficient and evoids frictiongubutzot {51' forms could easilybesflbfltituted. These two, disks, primary ahd see ry, oen'y u'on their1111161 and o posing. acesesh'as. .or greater efficiency provideeachdisk withtwo earns; but as it me notberdofiih able and 111 the formofhohs motion shown we (1 not be desirable that the disk ihould produce118 intended affect more than ,oneein a complete revoiotion I set two ofthe e .csms upon thqtwo disks where theywill Ynieke oontset \hthettChother, and. m the outer part .Of the (llSk, :8S shownhyefifi 52,andfltwb of them farther in, so that they; will not he in the-Path 0?travel of the outer dis the a? 1M:- tor we being. shown by50 51. heseoams alsoere rbvided with bevels findioatedtin the: hwlligfl' by 53,54,515.. and 5 portwfi of the, cam: which shall bmbeveled and. the.portmrl whloh shell be oifull'heig'lit can be: gieteltnnned and sried,soeordirigto' the dQSUZQd result. In Fig.6 .1 me sham more n detail theoonneotlonbetween $11 5 cem-dlsks and theexhe tmglyps This eiforked evefii which is pivoted M26 tothe ll gzfimflw q to the bsse. Preferablythlsiorked leyer lsgaroyided with .roundin surfacesmat each an g-dw edby 24 6,1151) tmqmthus enh g i better t keo sliding .cqnmo. Evidentlywhenever the secondary am-dig}; is by contact between' its gems and thecams upon the primary diskjoroed toimoye away from the latterlongitudinally of the rot'ete 'thepeoo id 'dot e ine 79 shows'thecam-shaft it will, throhg h this forked lever, raisethe valve-stem 17,and open the exhsii stwslve, and evidently when the contact between theosmsurfaoes ceases the spring of the yalve-stem will return the parts tothe position sho'v'vri iii Fig. 6. 31 is a secondary shhft parallel tothe cam-shaft 32 and suitm mounted in the frame. 30 is a leve'r'at- W:to rotate the same when the lever is moved.

to this secondary shaft and adapted.

This shaft carries rigidly attached thereto the gear 29,v whiohintermeshes with, the gear 23 .Thus theoperator by adjustmg the levex;30.. wilhpmtllierotate the gear 29, and therebyitlimugh gea 2?, olt rtmly cam-disk, en ,he.can hus mu e et sples'sure the oint}; which t aprimary cam k 111 its rotation shslhoomeinto .o emtive contact withtheatte dee m nt, andthq bxmnd terr oute at." a pleas tethehme w athhoust-yalvesshellbe op ne 3 mean .of the beveled .oonetructwnof'theseome they op ning, t e m l talve, and, mse. permlttmgthp exhaust-v lvemom alk seat. ,Theexha stevalyson wstjt lflq ly as. the. gradual ongitudoel motionpf th'e secondary cam-.dmk unu ed .hymthqr shape of the pe 't,,end alt 1n .aotual p aotioethe motion. 1 W 3 mi the blow. f the e seisea in its s so tar con rolled an modified asto av id m tly if not whollp the objectionable noise ah p d gw he tamhaf 2,, a ne in the framebxbeam'ngswfiii nd -3 1 hat me ubewmoved lo tukhsalljmt an at some suitebe pmnt. upon the theft,

attach to, 1t the oollar l, trlgldly fastened Wl epmuoxm some t,s1m11ar,men er,-, 1

w s emanati g. t e Halls 403 t e e ps e fi is ohhsrdened-steel wpsher,andAO smother framei be g nsd form a s ita w with rmt onhtbmskhegung oam-a e, here nefter des onbed The pant-she, h 32 grasses .t r ughesmteblb am: 1 M o -P1'q]ect19;t 38, rigidly oonneqtedto the r me. ilih a r caries eiooli s mno g the hett andhav ,s camp fiis d n eipwtd betyveeni.,p0llar and the thrust-been above described is t e c m-sleeve levereiig22m? fifimflh a sleev lo e y n rmun ts has orcamr uriace o r sp ndheconve t l yito theca -au fe e o t e 0 sr 011,3 he level; 3 9 is adoptedtobe movedhyt p geoit m n): sui ahle ayn ig 7 .the ol d lmeflflsho s e dvi .nehetw en he vda n-1s, {f e of, 39 and t e oorres ondmg oam-su woeof 38, and t e loos ition which t e samw iwwi .239 wo ld. t e &3 9 e? mved one-half of ,9, complete revolution and if the pam 38 ,yyo notpresent .It is evident that if this one-half revoluti p was givento thecam 39 the com 38, b ingstetionery and fig eraser ri 'd, would is t,bearing against its thrust'bearin above described and carrying with itin a on 'tudinal motion the cam-shaft 32 and al at- 5 tached parts. Itis evident also that when this occurs the primary disk will be brou htnearer to the secondary disk and that w on the parts are as shown inFig. 7 the distance between the primary and secondary disks will bereatest. These parts should be so adjuste and proportioned that when theprimary disk is set at its greatest attainable distance from thesecondary disk the opposing came upon the two disks will make contactonly at their summits and onl for a very brief time, and the longitudinaor retreatin motion of the secondary cam will be slig t, and thereforethe distance which the exhaust-valve is opened will be slight, whilewhen the primary disk is set as closely as may he to the secondary diskthe contact between the cams will be longer and the distance theexhaust-valve is opened will be greater. These results are thereforeunder the control of the operator and may be regulated as he desires. 42A3, and 45 are the bearings for thecrankshaft, Where more than onecylinder is used, it will be found advisable so to adjust theseexhaust-valve-opching cams that the valves will open in succession atthe pro er time with reference to each other. It '18 evident that if theseeondary cam'disk is placed in exactly the opposite position from thatshown in the drawingsthat is, given a one-half revolutionthe effect willbe to open the exhaust-valve at such a time as to reverse the engine,and that by varying the )osition at which this disk isset the speed theengnie can be controlled from normal speed d wn to the point of completereversal.

I have described my preferred form of adjusting and manipulating theexhaust-valves for the purpose escribedjbut many variations ofconstruction may be made without departing from the substance of'myinvention.

Having thus described my invention, what I claim to have invented, anddesire to secure b Letters Patent, is I 1. an explosive-enema hecombination of a revolving shaft, a primary cam device mounted thereonand revolving therewith, a secondary cam device slidably mounted on theshaft and engaging the primary cam device to be longitudinally movedthereby, an exhaust-valve, and means where by the sliding movement ofthe'secondary cam device actuates the said exhaust-vaive.

2. In an explosive-engine, the combination of a revolving shaft, aprimar cam-disk mounted thereon and rave ving t ercwith, a beveled camcarried by such primary disk, a

'secondary cam-disk slidably mounted on 65 such shaft, a beveled camcarried by such cause the cam 39 to move to the secondary disk and en a'n the rirmi disk to be longitudinal}; llfi ov fld theibby, rig;exhaust-valve, and means whereby the slidin .movernent of'the secondarycam-disk ac uates said exhaust-valve.

3. In an explosive-en no, the combina tion of a revolving sha t aprimary cam mounted thereon and revolving therewith, a secondary cam,slidably mounted on such shaft, means for vadjusting suchesecondary camwith reference to t a primary cam, whereby the contact between the twomay occur at any desired point in the revolution of the primary cam, anexhaust-valve, and means whereby the sliding r novement of the secondarycam actuates said exhaust-valve.

4. In an explosive-en 'ne, the combination of a revolving sha t aprimary cam mounted thereon and revolving therewith, a secondary camslidably mounted on such shaft and engaging the imary cam to be lonitudinally moved hereby, a gear attac ed to and rotatably adjusting suchsec ondar earn, an intermeshing gear and actuatingever for suchinterrneshing ear, whereby the operator may rotatably a just suchsecondary cam,an cxhausevalve and means whereby the sliding movement ofthe secondary cam actuates such exhaust-valve.

,5. In an explosive-en ine, the combination of a revolving shaft sidably mounted in a frame, a primary cam mounted upon and revolving withthe said shalt, a secondary cam slidably mounted upon, said shaft and enaging the primer T cam to be longitudina ly moved there v, an exhaustvalve, means whereby the sliding movement of the secondary cam actuatessaid exhaust-valve and means whereby said shaft may be longitudinallyshifted, whereby the distance between the secondary cam and the plane ofrevolution of the primary cam ma beadjusted and whereby the extent of teir contact upon each revolution may be controlled.

6. In an explos've-en us, the combination of a revolving sha a frame, aprimary cam-disk mounted on said shaft and revolving therewith, asecondary cam-disk slidably mounted on said shaft, a beveled cam carriedby the primary disk, a beveled cam carried by the secondary disk andengaging the primary dish to he IUD it s idably mounted inlongitudinally moved thereby, an'exhaustr.

vaive, means whereby the sliding movement of the secondary cam actustcssaid exhaustvalve, a cam carried b adjustable cam carried bysaid shaft,whereby said shaft and the primary disk carried thereby may belongitudinally adjusted with reference to the secondary disk. 7. In anexplosive-en inc, the combination of a revolving she t, a primary cammounted thereon and revolving therewith, a secondary cam slidablymounted thereon the frame, and an- A man and e ging the rimary camtobelongitent of the contact between the rim and tudinfi; moved t ereby,an exhaushvalve, secondary came. p my means whereby the siidmg movementof the In testimony wherenf I have hereunto set second cam iwtuates saidexhaust-valve, my hand in presence of two subacribimz witmeansbiw2eriebywtilim seieondary caklln can b1; messes.

rotate us to etermine t e time o 'iheontazat w lth the primary cam inthe revo- ALBERT MENGES )ntimufi the latter, and means whereby theWitnesses: r M carrying the primal; cam can be 1011- EbwAm) TAGGART,

adjusted to etermine the ex- MARY TOOKER.

